This is a segment of a circle.
The straight line is a chord.
The curved line is an arc.
A cylinder seems to fit the description
A major sector of a curve.
A mobius loop which has one side and just one edge, could be your answer. Otherwise, a straight line segment may be it?
a circle
A cone has a curved base edge and 1 vertex
A cylinder.
Irregular shape is the term given to an object which has 1 flat side, 1 curved side, no corners but has curved edges.
None because it has 1 straight side and no angles
sphere
Any curved shape such as a circle, an ellipse, an oval, a wriggly line - as long as it does not have any corners.
A cylinder seems to fit the description
A major sector of a curve.
A mobius loop which has one side and just one edge, could be your answer. Otherwise, a straight line segment may be it?
You are a blob.
The shape that has 1 curved side and 3 straight sides is a crescent. A crescent is a curved, closed shape that resembles a thin, partially illuminated moon. It is formed by the intersection of two circles or by removing a smaller circle from a larger one, resulting in one curved side and three straight sides.
a circle
a cube has 0 curved faces and 6 straight face